Samsung Galaxy Watch update timeline: R820XXU1BSJ6 build fixes screen flickering issue for Watch 2

Samsung’s most premium wearable on the market, the Galaxy Watch, is widely regarded as one of the best smartwatches you can buy. Its robust design, impressive performance, everlasting battery make it a compelling option, but the device isn’t without its fair share of quirks.

The South Korean OEM uses its own Tizen OS on its wearables, and the Galaxy Watch is no exception. The device gets software updates quite regularly, and this page is all about keeping them handy for your convenience.

So, without further ado, let’s dig in.

Latest news

October 18, 2019: Samsung is rolling out a new software update for the Galaxy Watch Active 2 that arrives as version R820XXU1BSJ6 (Via gh130gh130). The new OTA update fixes the screen flickering issue on the smartwatch in the Always On Mode and improves the language support in the feature related to Samsung’s Health app.


Aug 14, 2019: Samsung has started rolling out an update for the Galaxy Watch. The update, which carries software version R500XXU1CSH3, improves device stability and swimming activity tracking.

July 23, 2019: Branded as R500XXU1CSG6, the OTA bumps the device’s Tizen OS to version The update introduces new Bixby, Goodnight Mode UI, and HR Low Alert; improves Breath Guide graphics and App Tray UI, and disables automated sync of alarm from a paired smartphone.

April 9, 2019: The OTA, carrying software version, R500XXU1BSD3, improves battery charging algorithm and device stability.

Galaxy Watch Update Timeline

Release date Software version || OS  — Changelog
14 Aug 2019 R500XXU1CSH3 || Tizen — Improves device stability and swimming activity tracking
23 Jul 2019 R500XXU1CSG6 || Tizen — Tizen OS, adds new Bixby, Goodnight Mode, Samsung Health features, improves App Tray UI, and more
9 Apr 2019 R500XXU1BSD3 || Tizen — Improves charging algorithm and device stability
8 Mar 2019 R500XXU1BSB7 || Tizen — Improves Samsung Health and reliability of wireless charging
18 Feb 2019 R500XXU1ASB1 || Tizen — Improves touch sensitivity
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